Half-dead G4

[Justin Hibbits]

On Wednesday 02 January 2008 12:39:56 jrh29 at alumni.cwru.edu wrote:
> On Wed, Jan 02, 2008 at 11:11:20AM -0500, Joshua Coombs wrote:
> > Justin Hibbits wrote:
> > >I've reseated all data cables.  Haven't reseated the motherboard power
> > >cable, but I've reseated the hard drive power cable, and can't quite
> > >figure out how to remove the CD-ROM drive power cable, as it's enclosed.
> > >I've tried removing the hard drive and CD-ROM drive data cable
> > > connections from the motherboard, but that didn't help.  I'll try
> > > pulling out everything, even the CPU, and see what I can come up with. 
> > > I was hoping removing the battery and resetting the PMU would do the
> > > trick, but that failed as well.
> > >
> > >Am I right in assuming that because holding the mouse button ejects the
> > >CD-ROM tray, the CPU is functioning because it has to go into
> > > openfirmware?
> > >
> > >- Justin
> >
> > Pull the battery and power, and leave it unplugged with no battery for
> > at LEAST 48 hours.  That pesky pram is persistent.
> >
> > Josh C
>
> I can do that.  I pulled out the battery again yesterday, and unplugged
> everything, and won't touch it again until the weekend.
>
> Related, I tried some boot experiments, and it does appear to boot, or
> at least attempt to boot, an OS, since with no drive installed when I
> hit the power button it powers off immediately, but with a bootable disk
> hooked up (CD or hard drive) it gets to the point where I need to hold
> it in for 5+ seconds before it powers off.  This leads me to believe
> that perhaps it's switched into some sort of "Apple-only" mode, or OFW
> thinks the console exists somewhere else (serial?) in which case I'm
> probably boned unless I can find information on setting up a serial
> console for a G4, which so far I haven't.
>
> But, I'll try this first.  Maybe 4 days will do it.
>
> - Justin
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Thanks everyone for all your help with this.  Turns out it was just a dead 
video card (I should've known by the ozone smell when I pulled it out the 
first time).  I did discover in this that it won't boot OS X anymore (FreeBSD 
boots just fine though).

- Justin
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